Toyota 3R-B 1969, Repair Manual

Page: 132 / 193

C O O L I N G S Y S T E M - Water Pump 7-5
tension, and re m ove the belt.
6. R em ove the air pump idle pulley
bracket.
7. R em ov e the w ater pump retaining
bolts , then rem ove the w ater pump
assem b ly.
F o r R K s e r ie s :
1. Drain the coolant.
2. R em ove the radiator outlet and inlet
hoses and the by-pass h o s e .
3. L o ose n the fan belt tension, and
rem ove the b e lt.
4. R em ove the fan and the fan pulley.
5. R em ove the w ater pump retaining
bolts, then rem ove the w a te r pump
assem b ly.
Disassembly
Fluid Coupling
1. R em ove the w ater pump c o v e r
from the w ater pump body.
2. R em ove the fluid coupling case
from the fluid coupling bearing
c a s e .
3. P la c e the fluid coupling pulley in
a vise protecting the pulley with
a suitable m aterial. Do not deform
the pulley when securing in a vise .
T o rem ove the pulley with the fluid
coupling bearing case from the
w ater pump bearing shaft, use a
bolt with the thread diameter of
10 mm, thread length of 30 mm
and thread pitch of 1.25.
S c r e w in the bolt into the pulley,
and rem ove the pulley with the
fluid coupling bea_ring case from
the w ater pump bearing shaft.
Water Pump
1. R em ove the w ater outlet, and r e ­
move the thermostat.
2. Rem ove the w a ter pump c o v e r
from the w a te r pump body fo r the
direct drive t y p e .
3. R em ove the w a ter pump pulley
seat from the w a ter pump bearing
shaft using the Water Pump R otor
Pu ller 09239-40010 fo r the direct
drive t y p e .
F i g . 7-7 Removing Pu lley V4663
Seat
D ia m e te r tOmm
L e n g t h 30 mm
P i t c h \ . 25
F i g . 7-6 Removing B earing G3133
Case
F i g . 7-8 Removing R o to r V4644